Home / 20,415,246.60-30,591,377.10-17,706,865.80

Finding the Fourth Proportional to 20,415,246.60, 30,591,377.10 and 17,706,865.80

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Solution

The fourth proportional to 20,415,246.60, 30,591,377.10 and 17,706,865.80 is: 26,532,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,246.60 : 30,591,377.10 = 17,706,865.80 : x
  2. Step 2: Convert to fraction form
    20,415,246.60/30,591,377.10 = 17,706,865.80/x
  3. Step 3: Cross multiply
    20,415,246.60x = 30,591,377.10 × 17,706,865.80
  4. Step 4: Simplify right side
    20,415,246.60x = 541,677,408,946,893.25
  5. Step 5: Solve for x
    x = 541,677,408,946,893.25/20,415,246.60
  6. Step 6: Final answer
    x = 26,532,983.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.